<div class="main-wrapper">
  <div class="left-wrapper">
    <ul>
      <li><a class="button" routerLink="/ant-g6" routerLinkActive="activebutton"
           ariaCurrentWhenActive="page">蚂蚁G6</a>
      </li>
      <li><a class="button" routerLink="/jsplumb" routerLinkActive="activebutton"
             ariaCurrentWhenActive="page">jsplumb</a></li>
    </ul>
  </div>
  <div class="right-wrapper">
    <router-outlet></router-outlet>
  </div>
</div>
